package com.design3.graduatethesissys.configure;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.DefaultRedirectStrategy;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Service;

import com.design3.graduatethesissys.common.Constants;
import com.fasterxml.jackson.databind.ObjectMapper;

/** 
* @author 作者 罗穆健: 
* @version 创建时间：2020年1月5日 下午6:59:04 
* 类说明 
*/
@Service
public class MyAuthenticationFailHander extends SimpleUrlAuthenticationFailureHandler {
	

	@Autowired
    private ObjectMapper objectMapper;
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
                AuthenticationException exception) throws IOException, ServletException {
          // TODO Auto-generated method stub
          //以Json格式返回

        Map<String,String> map=new HashMap<>();
        map.put("code", "201");
        map.put("msg", "登录失败");
        response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");   
        response.getWriter().write(objectMapper.writeValueAsString(map));
        Constants.Loginerror =1;
    	new DefaultRedirectStrategy().sendRedirect(request, response, "Login-error");
    }

}
 